Publication

Spatial variability of near surface soil moisture in an alpine catchment: application of a wireless network of meteorological stations

2012
Posters

Abstract

Soil moisture is an essential control on hydrological and meteorological behavior and knowledge of its spatial variability is considered to be of high importance for the performance of distributed hydrological models. Few studies have tried to assess the spatial variability of soil moisture in mountainous catchment. Since 2008, an alpine watershed in the Swiss Alps has been intensely monitored with a network of wireless meteorological stations. We present some preliminary results from statistical and geostatistical analysis of the soil moisture dataset. Moreover, we investigate the information content that antecedent soil moisture measurements add to rainfall measurements in order to predict and understand both runoff events and recession flows.

Official source

https://infoscience.epfl.ch/entities/publication/172723d1-4b5e-4521-be73-bfd70df03bd4

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2012
Posters

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/172723d1-4b5e-4521-be73-bfd70df03bd4

About this result

Related concepts (32)

Surface runoff

Surface runoff (also known as overland flow or terrestrial runoff) is the unconfined flow of water over the ground surface, in contrast to channel runoff (or stream flow). It occurs when excess rainwater, stormwater, meltwater, or other sources, can no longer sufficiently rapidly infiltrate in the soil. This can occur when the soil is saturated by water to its full capacity, and the rain arrives more quickly than the soil can absorb it. Surface runoff often occurs because impervious areas (such as roofs and pavement) do not allow water to soak into the ground.

Hydrological transport model

An hydrological transport model is a mathematical model used to simulate the flow of rivers, streams, groundwater movement or drainage front displacement, and calculate water quality parameters. These models generally came into use in the 1960s and 1970s when demand for numerical forecasting of water quality and drainage was driven by environmental legislation, and at a similar time widespread access to significant computer power became available.

Soil moisture

Soil moisture is the water content of the soil. It can be expressed in terms of volume or weight. Soil moisture measurement can be based on in situ probes (e.g., capacitance probes, neutron probes) or remote sensing methods. Water that enters a field is removed from a field by runoff, drainage, evaporation or transpiration.

Related publications (7)

Spatial variability of near surface soil moisture in an alpine catchment: application of a wireless network of meteorological stations

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